Come find out about the phylum Cnidaria jellyfish, hydra, and more!

00:00 Introduction
00:25 Characteristics of Cnidaria
01:50 Polyp and medusa
03:14 Organ systems in Cnidarians
05:47 Cnidoblasts
07:42 Polyp to medusa and back

Practice this concept https://www.khanacademy.org/science/i...

Master the concept of "Lower animals" through practice exercises and videos https://www.khanacademy.org/science/i...

Check out more videos and exercises on Animal kingdom https://www.khanacademy.org/science/i...

To get you fully ready for your exam and help you fall in love with Biology, find the complete bank of exercises and videos for Class 11 Biology here https://www.khanacademy.org/science/i...

Khan Academy is a free learning platform for Class 112 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.


Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.


Subscribe to our YouTube channel    / khanacademy  

As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?ut...

Created by Moumita Sen